On 30 January 2016 at 15:50, Patrik Lundquist <patrik.lundqu...@gmail.com> wrote: > On 29 January 2016 at 13:14, Austin S. Hemmelgarn <ahferro...@gmail.com> > wrote: >> >> Last I checked, Seagate's 'NAS' drives and whatever they've re-branded their >> other enterprise line as, as well as WD's 'Red' drives support both SCT ERC >> and FUA, but I don't know about any other brands (most of the Hitachi, >> Toshiba, and Samsung drives I've seen do not support FUA). > > I don't know about WD Red Pro but my WD Reds don't support FUA. > > Can I list supported commands with something like hdparm? I'm curious > about a WD Re in a LSI RAID.
No FUA in WD Re either. [20312.701155] scsi 4:0:0:0: Direct-Access ATA WDC WD5003ABYZ-0 1S03 PQ: 0 ANSI: 5 [20312.701453] sd 4:0:0:0: [sdb] 976773168 512-byte logical blocks: (500 GB/465 GiB) [20312.701454] sd 4:0:0:0: Attached scsi generic sg2 type 0 [20312.701603] sd 4:0:0:0: [sdb] Write Protect is off [20312.701609] sd 4:0:0:0: [sdb] Mode Sense: 00 3a 00 00 [20312.701663] sd 4:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [20312.712396] sd 4:0:0:0: [sdb] Attached SCSI disk -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
